The higher the MERV rating on a filter, the fewer dust particles and other contaminants can pass through it.

MERV 8 yields high indoor air quality with an exceptional filter that rivals the brand name competition. GREAT VALUE: You pay only $9.08 each! Pay less, get more. Most affordable product of this size! HIGHLIGHTS MERV 8...

MERV 8: Best selling -- 5 Star Rated with Innovative Technology. Ultimate filter for Canadian homeowners. Offers the best value for price, lifespan, and air quality with brand name reliability. Pay only $13 per filter! This...

MERV 11: High Efficiency -- State of the art filtration capabilities remove allergens, the perfect choice for Canadian homeowners to elevate air quality. Brand name reliability at a low cost: pay only $13.92 per furnace...

MERV 13: Highest Efficiency filtration. The BEST Canadian homeowners can buy! Better performance, superior results for a cleaner, safer home. And at just $20 per filter, you’re paying for superior dust and allergen...